May 16th 2017 – “New resistant grape varieties and alternatives to pesticides in viticulture for wine quality production” hosted by Haute Ecole de Viticulture et Oenologie, in Changins, Switzerland
May 16th 2017 – “New resistant grape varieties and alternatives to pesticides in viticulture for wine quality production” hosted by Haute Ecole de Viticulture et Oenologie, in Changins, Switzerland